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Re: [RFI] RFI U-verse

To: "J.Gordon Beattie, Jr., W2TTT" <w2ttt@att.net>
Subject: Re: [RFI] RFI U-verse
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sun, 27 Feb 2011 09:47:15 -0800
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Absolutely untrue!  A common mode formed by winding multiple turns of 
the signal pair (or coax) around a ferrite core has ZERO effect on the 
differential signal, but can greatly reduce common mode current, which 
is a very common (and powerful) coupling mechanism for RFI.

Study http://audiosystemsgroup.com/RFI-Ham.pdf

73, Jim Brown K9YC.

On 2/27/2011 8:19 AM, J.Gordon Beattie, Jr., W2TTT wrote:
> Jim,
> Putting a choke on the network feed reduces bandwidth to the service and
> creates instability.  There are other measures that can be applied to
> eliminate the RF getting into the RG.  I can point you through the
> appropriate channels to get this done if you have a problem with RFI to your
> U-Verse service.
> Thanks&  73,
> Gordon Beattie, W2TTT

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